Sears offers the Kenmore 24" Built-In Dishwasher in Black, model no. 13499, for $549.99. Coupon code "SEARS35OFF300" drops it to $514.99. With free shipping, that's $195 below list and the lowest total price we could find. It features the PowerWave spray arm which claims to offer 80% more coverage over traditional spray arms, an adjustable upper rack, and high-efficiency wash cycles.
Of note, Shop Your Way Rewards members will earn a Sears credit with this purchase and may be eligible for additional credits and discounts.